4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid

4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid is an organic compound with the molecular formula C12H14N2O3 and CAS number 107144-30-9. This chemical features a benzoic acid moiety substituted with a dimethyl-oxopyrazolidin group, giving it a molecular weight of 234.25 g/mol. It is classified as a moderately hazardous substance with acute toxicity properties and environmental concerns for aquatic organisms.

4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid is a solid organic compound at room temperature with a molecular weight of 234.25 g/mol. As a benzoic acid derivative containing both aromatic and heterocyclic components, it likely exhibits moderate polarity. The presence of the carboxylic acid group suggests potential solubility in polar solvents and the ability to form hydrogen bonds, while the dimethyl-substituted pyrazolidin ring contributes to its overall molecular structure and properties.

4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid serves as an intermediate in pharmaceutical and chemical synthesis processes. Its unique pyrazolidin-benzoic acid structure makes it valuable for developing active pharmaceutical ingredients and specialty chemicals. The compound is typically used in research and development applications, custom synthesis projects, and as a building block for more complex molecular structures in medicinal chemistry and fine chemical manufacturing.

4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid requires careful handling due to its Acute Tox. 4 classification. Wear appropriate personal protective equipment including safety goggles, chemical-resistant gloves, and lab coats. Work in well-ventilated areas or under fume hoods to avoid inhalation. Prevent skin and eye contact, and avoid ingestion. Follow GHS07 pictogram warnings and maintain good laboratory hygiene practices during handling and processing operations.

4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers upright and properly labeled with hazard information. Store separately from incompatible materials such as strong oxidizers and bases. Maintain storage temperatures within recommended ranges and ensure containers are made of compatible materials to prevent degradation or contamination.

Immediate action is required upon contact with 4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid due to its acute toxicity classification. For skin contact, wash immediately with plenty of soap and water. If eyes are affected, rinse thoroughly with water for at least 15 minutes and seek medical attention. In case of inhalation, move to fresh air immediately. If ingested, do not induce vomiting and seek immediate medical assistance while providing the safety data sheet to healthcare providers.

4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid must be disposed of through licensed hazardous waste management facilities due to its toxicity and environmental impact classification. Never dispose of this chemical down drains or in regular waste streams. Contact certified waste disposal companies that can handle acute toxic materials and substances harmful to aquatic environments. Follow local, national, and EU regulations for hazardous chemical waste disposal and maintain proper documentation of disposal activities.

4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid is classified as ADR Class 9 (Miscellaneous Dangerous Goods), Packing Group III for transportation purposes. This classification requires appropriate UN-specification packaging, proper labeling with Class 9 hazard labels, and accompanying transport documentation. Shipments must comply with ADR regulations for road transport within Europe, including driver training requirements and vehicle marking specifications for miscellaneous dangerous goods.

4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid is subject to EU REACH regulation for chemical registration and CLP regulation for classification and labeling due to its acute toxicity and environmental hazard properties. The substance is not currently listed as a Substance of Very High Concern (SVHC). Users must comply with safety data sheet requirements, proper labeling with GHS07 and GHS09 pictograms, and follow occupational exposure limit guidelines where applicable.

4-(4,4-dimethyl-3-oxopyrazolidin-1-yl)benzoic acid is available through OYSI, a specialized European distributor of technical chemicals and pharmaceutical intermediates. OYSI provides this compound with full regulatory compliance, proper documentation, and technical support for industrial and research applications. As a European chemical distributor, OYSI ensures REACH compliance and provides certificates of analysis, safety data sheets, and expert guidance for safe handling and application of this specialized chemical compound.